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Showing 1–24 of 853 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: proton beam radiation therapy Clear all
Recruiting No phase listed Observational

Proton Therapy Patient Registry

NCT02986048
View directory record Official record
Conditions
Treatment With Proton Beam Radiation Therapy
Interventions
Proton Beam Therapy
Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Early Phase 1 Interventional

PET/MRI Scan for the Evaluation of Resectable Stage IA1-IB3 Cervical Cancer

NCT04219904
View directory record Official record
Conditions
Stage IA Cervical Cancer, Stage IA1 Cervical Cancer, Stage IA2 Cervical Cancer, Stage IB Cervical Cancer, Stage IB1 Cervical Cancer, Stage IB2 Cervical Cancer, Stage IB3 Cervical Cancer
Interventions
Fludeoxyglucose F-18, Gadobutrol, Magnetic Resonance Imaging, Positron Emission Tomography
Other · Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Not applicable Interventional

Proton Particle Therapy for Cardiac Arrhythmia

NCT04392193
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Proton Particle Therapy
Radiation
Lead sponsor
Konstantinos Siontis
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Microbiome, Bile Acids, and Notch in Barrett's Esophagus (BE)

NCT05524844
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Adenocarcinoma
Interventions
Sample Collection, Endoscopy results, Dietary questionnaire
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 10, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Not applicable Interventional

3-Tesla MRI in Finding Tumors in Patients With Known or Suspected Prostate Cancer

NCT01653093
View directory record Official record
Conditions
Prostate Cancer
Interventions
3-Tesla magnetic resonance imaging (3T MRI), diffusion-weighted magnetic resonance imaging, dynamic contrast-enhanced magnetic resonance imaging, magnetic resonance spectroscopic imaging
Procedure
Lead sponsor
University of Cincinnati
Other
Eligibility
Male only
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional

Sunitinib Malate in Treating Patients With Unresectable or Metastatic Kidney Cancer or Other Advanced Solid Tumors

NCT00499135
View directory record Official record
Conditions
Adult Solid Neoplasm, Clear Cell Renal Cell Carcinoma, Recurrent Renal Cell Carcinoma, Stage III Renal Cell Cancer, Stage IV Renal Cell Cancer
Interventions
Computed Tomography, Fluorothymidine F-18, Laboratory Biomarker Analysis, Pharmacological Study, Positron Emission Tomography, Sunitinib Malate
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Sep 25, 2026, 10:54 PM EDT
Recruiting Phase 2 Interventional

Robotic Cytoreduction and Hyperthermic Intraperitoneal Chemotherapy for Treatment of Gastric Cancer With Limited Peritoneal Metastasis, ROBO-CHIP Study

NCT05753306
View directory record Official record
Conditions
Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma, Metastatic Malignant Neoplasm in the Peritoneum
Interventions
Cisplatin, Computed Tomography, Gastrectomy, Magnetic Resonance Imaging, Positron Emission Tomography, Questionnaire Administration, Paclitaxel, Hyperthermic Intraperitoneal Chemotherapy
Drug · Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Recruiting Phase 2 Interventional

Proton Radiation for Unresectable, Borderline Resectable, or Medically Inoperable Carcinoma of the Pancreas

NCT02598349
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton Radiation, Capecitabine, Surgical resection
Radiation · Drug · Procedure
Lead sponsor
Proton Collaborative Group
Network
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2040
U.S. locations
4
States / cities
Jacksonville, Florida • Warrenville, Illinois • Flint, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Proton Pump Inhibitor (PPI, Rabeprazole) Effect On Tablet Formulation Of Palbociclib

NCT03220191
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Palbociclib, Rabeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 9, 2017 · Synced Sep 25, 2026, 10:54 PM EDT
Recruiting Not applicable Interventional

Proton Therapy in the Treatment of Liver Metastases

NCT01697371
View directory record Official record
Conditions
Liver Metastases
Interventions
Proton, Proton Radiation
Radiation
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2033
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Phase 3 Interventional

Radiation Therapy With Protons or Photons in Treating Patients With Liver Cancer

NCT03186898
View directory record Official record
Conditions
Recurrent Hepatocellular Carcinoma, Stage III Hepatocellular Carcinoma AJCC v7, Unresectable Hepatocellular Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Quality-of-Life Assessment, Radiation Therapy
Procedure · Other · Radiation
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
27
States / cities
Atlanta, Georgia • Warrenville, Illinois • Baltimore, Maryland + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Multi-Organ Metabolism and Perfusion in NAFLD by Total Body Dynamic PET Scan on EXPLORER

NCT04165343
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD), Nonalcoholic Steatohepatitis (NASH)
Interventions
Positron Emission Tomography (PET) on EXPLORER, Magnetic Resonance Imaging, Echocardiogram and Electrocardiogram, Blood test
Radiation · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Test an Oral Medicine, Belumosudil, in Combination With Corticosteroids in Participants at Least 12 Years of Age With Newly Diagnosed Chronic Graft Versus Host Disease.

NCT06143891
View directory record Official record
Conditions
Chronic Graft Versus Host Disease
Interventions
Belumosudil, Placebo, Prednisone, Prednisolone
Drug
Lead sponsor
Sanofi
Industry
Eligibility
12 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
24
States / cities
Little Rock, Arkansas • Duarte, California • San Francisco, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Not applicable Interventional

Palliative Spatially Fractionated (GRID) Radiotherapy Using Intensity Modulated Proton Therapy

NCT05831579
View directory record Official record
Conditions
Unresectable Solid Tumor, Metastatic Cancer
Interventions
Proton GRID Radiotherapy
Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate the Effect of the Proton Pump Inhibitor Esomeprazole on the Single-dose Pharmacokinetics (PK) of Oral TAK-906 in Healthy Adult Participants

NCT03849690
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TAK-906, Esomeprazole
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 2 Interventional Results available

Proton Pump Inhibitors (PPI) and Fat Absorption in Cystic Fibrosis (CF) and Exocrine Pancreatic Insufficiency (EPI)

NCT03551691
View directory record Official record
Conditions
Pancreatic Insufficiency, Cystic Fibrosis
Interventions
Omeprazole 20mg Capsule, Placebo oral capsule
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
12 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Sep 25, 2026, 10:54 PM EDT
Withdrawn Not applicable Interventional

Proton Therapy for High Risk Prostate Cancer

NCT01811810
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radiation therapy (XRT), Androgen Deprivation Therapy (ADT), Chemotherapy
Radiation · Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of ALXN1840 (Non-coated) Administered With And Without Omeprazole In Healthy Adults

NCT05319899
View directory record Official record
Conditions
Healthy
Interventions
ALXN1840, Omeprazole
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 2 Interventional

Postoperative Proton Radiotherapy With Chemo for Pancreatic Cancer

NCT01553019
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Proton radiation, Gemcitabine
Radiation · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Jacksonville, Florida • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Sep 25, 2026, 10:54 PM EDT
Recruiting Not applicable Interventional

Integration of Adaptive Proton Therapy in Pediatric Solid Tumors and Hodgkin's Lymphoma

NCT07514819
View directory record Official record
Conditions
Pediatric Solid Tumors, Rhabdomyosarcoma, Ewing Sarcoma, Osteosarcoma, Hodgkin Lymphoma, Bone Tumor, Soft Tissue Sarcoma
Interventions
Proton Therapy (Adaptive)
Radiation
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Terminated Not applicable Interventional Results available

Dual-Energy CT on Plan Quality, Dose-delivery Accuracy, and Simulated Outcomes of Patients Treated With Proton or Photon Therapy

NCT03403361
View directory record Official record
Conditions
Lung Cancer, Brain Cancer, Head and Neck Cancer
Interventions
Siemens Somatom Definition Edge, Philips Brilliance Big Bore CT/simulator
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Sep 25, 2026, 10:54 PM EDT
Active, not recruiting Phase 3 Interventional

Comparing Photon Therapy To Proton Therapy To Treat Patients With Lung Cancer

NCT01993810
View directory record Official record
Conditions
Stage II Non-Small Cell Lung Cancer AJCC v7, Stage IIA Non-Small Cell Lung Carcinoma AJCC v7, Stage IIB Non-Small Cell Lung Carcinoma AJCC v7, Stage III Non-Small Cell Lung Cancer AJCC v7, Stage IIIA Non-Small Cell Lung Cancer AJCC v7, Stage IIIB Non-Small Cell Lung Cancer AJCC v7
Interventions
Carboplatin, Cisplatin, Durvalumab, Etoposide, Paclitaxel, Pemetrexed Disodium, Photon Beam Radiation Therapy, Proton Beam Radiation Therapy, Quality-of-Life Assessment, Questionnaire Administration
Drug · Biological · Radiation + 1 more
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
30
States / cities
Jacksonville, Florida • Warrenville, Illinois • Baltimore, Maryland + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Results available

Fluciclovine and PSMA PET/CT for the Classification and Improved Staging of Invasive Lobular Breast Cancer

NCT04750473
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma, Metastatic Breast Lobular Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Computed Tomography, Fluciclovine F18, Gallium Ga 68 Gozetotide, Positron Emission Tomography
Procedure · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Sep 25, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study To Investigate The Effect Of Concurrent Antacid Administration On The Bioavailability Of Six Experimental Formulations Of Palbociclib

NCT02311946
View directory record Official record
Conditions
Healthy
Interventions
Palbociclib Alone, Palbociclib + Rabeprazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
3
States / cities
Miami, Florida • South Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 25, 2026, 10:54 PM EDT